Dr. Rachel Fishman OiknineMD, MSCP
Endocrinology
at Rachel Fishman Oiknine, MD, MSCP — Chesterfield, MO
About
Rachel Fishman Oiknine, MD, MSCP is a board-certified endocrinologist practicing concierge medicine in Chesterfield, Missouri. She earned her Bachelor of Science from the University of Michigan in 1995 and her Doctorate of Medicine from the University of Missouri in 2000. She completed her internship and residency at St. John's Mercy Hospital in St. Louis before pursuing an endocrinology fellowship at St. Louis University, finishing in 2005. The American Board of Internal Medicine certifies her in Endocrinology, Diabetes and Metabolism.
Dr. Fishman Oiknine holds the MSCP credential, designating her as a Menopause Society Certified Practitioner. She provides personalized care for the full spectrum of menopausal symptoms, including hormonal and non-hormonal treatment options. Her clinical focus extends to obesity, type 2 diabetes, cardiovascular disease prevention, thyroid disease, osteoporosis, and metabolic syndrome. She grounds her practice philosophy in shared decision-making and evidence-based medicine. St. Louis Magazine recognized her as one of its Best Doctors in 2020, and she received recognition as one of 10 Influential St. Louis Doctors in 2013. Outside the office, she enjoys cooking, fitness, and spending time with her family.
Education & Training
Undergraduate
University of Michigan, Ann Arbor, MI, Bachelor of Science 1995
Medical School
University of Missouri, Columbia, MO, Doctorate of Medicine 2000
Residency
St. John's Mercy Hospital, St. Louis, MO, 2001-2003
Fellowship
St. Louis University, St. Louis, MO, Endocrinology 2003-2005
Additional Training
Internship: St. John's Mercy Hospital, St. Louis, MO, 2000-2001
Certifications
Conditions Treated
Who is Dr. Fishman Oiknine right for?
Dr. Fishman Oiknine is a strong fit for adults managing hormone-related conditions or navigating the menopause transition. Patients dealing with thyroid disease, osteoporosis, metabolic syndrome, or type 2 diabetes benefit from her endocrinology expertise. Women seeking personalized, evidence-based menopause care with both hormonal and non-hormonal options will find a specialist here. She works well with patients who want a physician partner focused on long-term prevention and active health management.
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Frequently Asked Questions
Dr. Fishman Oiknine specializes in endocrinology and menopause care. She treats thyroid disease, osteoporosis, metabolic syndrome, obesity, type 2 diabetes, cardiovascular disease risk, and a broad range of hormone-related conditions. Her menopause specialty covers the full spectrum of symptoms women experience during that transition.
Yes, Dr. Fishman Oiknine holds board certification from the American Board of Internal Medicine in Endocrinology, Diabetes and Metabolism. She also holds the MSCP credential, which designates her as a Menopause Society Certified Practitioner.
Dr. Fishman Oiknine earned her medical degree from the University of Missouri in 2000. She completed her internship and residency at St. John's Mercy Hospital in St. Louis. She then pursued an endocrinology fellowship at St. Louis University, finishing in 2005.
Dr. Fishman Oiknine takes a personalized, evidence-based approach to menopause. She offers both hormonal and non-hormonal therapies, tailored to each patient's symptoms and health history. She dedicates time to discussing long-term risks that can emerge during the menopause transition, including osteoporosis, thyroid disease, heart disease, and metabolic syndrome. Her approach centers on shared decision-making so patients feel informed and empowered.
Dr. Fishman Oiknine follows Endocrine Society guidelines that identify nutrition, physical activity, and weight management as first-line therapy for patients at metabolic risk. She emphasizes lifestyle changes and patient education as foundational to long-term health. She works with patients on obesity, type 2 diabetes prevention, and cardiovascular risk reduction.
Yes. Because endocrine disorders can affect nearly every organ system, Dr. Fishman Oiknine evaluates each patient's health comprehensively. She looks beyond isolated symptoms to understand how hormonal and metabolic factors interact across the body. This approach guides how she builds personalized prevention and management plans.
Yes. St. Louis Magazine named Dr. Fishman Oiknine a Best Doctor in 2020. She also received recognition as one of 10 Influential St. Louis Doctors in 2013.
Dr. Fishman Oiknine holds an affiliation with St. Luke's Hospital in St. Louis, Missouri.
Doctor profile last updated April 9, 2026